“This is my first review so keep that in mind.
I bought a pair used UE 900's at Cex, an electronics resale store in San Francisco. I was cleaning them and pulled the wrong way on the MMCX connector and the freakin' right unit came apart and ripped the internal wires apart. I contacted Logitech tech support and was shipped a complete UE 900s for a replacement! They were quick and helpful...” --caffed

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These were my first pair of headphones that I've bought in my life. I remember being amazed at the sound quality and bass after listening with the mediocre headphones that came with my Sansa Fuze. As long as I remember, these headphones had the biggest bass out of all headphones that I've owned (I've had the Sennheiser CX-300, Sony MDR-XB20, and Pioneer SE-MJ31). I do not clearly remember the...” --jojexy